diff options
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/rmap.c | 13 |
1 files changed, 0 insertions, 13 deletions
diff --git a/mm/rmap.c b/mm/rmap.c index 2df75a119c83..68fe0472c803 100644 --- a/mm/rmap.c +++ b/mm/rmap.c @@ -275,19 +275,6 @@ int anon_vma_clone(struct vm_area_struct *dst, struct vm_area_struct *src) { struct anon_vma_chain *avc, *pavc; struct anon_vma *root = NULL; - struct vm_area_struct *prev = dst->vm_prev, *pprev = src->vm_prev; - - /* - * If parent share anon_vma with its vm_prev, keep this sharing in in - * child. - * - * 1. Parent has vm_prev, which implies we have vm_prev. - * 2. Parent and its vm_prev have the same anon_vma. - */ - if (!dst->anon_vma && src->anon_vma && - pprev && pprev->anon_vma == src->anon_vma) - dst->anon_vma = prev->anon_vma; - list_for_each_entry_reverse(pavc, &src->anon_vma_chain, same_vma) { struct anon_vma *anon_vma; |